diff --git a/src/cw/lw.h b/src/cw/lw.h
new file mode 100644
index 00000000..1f7f1164
--- /dev/null
+++ b/src/cw/lw.h
@@ -0,0 +1,43 @@
+#ifndef __LW_H
+#define __LW_H
+
+/** 
+ * @defgroup LW LWAPP Functions
+ * @{
+ */
+
+
+#define lw_put_byte(dst,b) \
+	(*(dst)=b,1)
+
+#define lw_put_word(dst,w)\
+	(*((uint16_t*)(dst)) = htons(w),2)
+
+#define lw_put_dword(dst,dw)\
+	(*((uint32_t*)(dst)) = htonl(dw),4)
+
+#define lw_set_byte(dst,b) \
+	(*(dst)=b);
+
+#define lw_set_word(dst,b) \
+	(*((uint16_t*)(dst)) = htons(w))
+
+#define lw_set_dword(dst,dw)\
+	(*((uint32_t*)(dst)) = htonl(dw))
+
+
+#define lw_get_byte(src)\
+	(*(uint8_t*)(src))
+
+#define lw_get_word(src) \
+	(ntohs(  *((uint16_t*)(src))))
+
+#define lw_get_dword(src) \
+	(ntohl(  *((uint32_t*)(src))))
+
+/**
+ * @}
+ */
+
+#endif
+